The fresh air came after days of acrid smoke from wildfires, but officials warned that conditions could rapidly worsen again.

Ash from the recent LA County fires and burn scars formed by other wildfires in the fall can be dispersed by strong winds.

Wildfires are tearing through thousands of acres in Los Angeles County in California, as strong Santa Ana winds stoke the ...

Los Angeles is now a week removed from the day that multiple devastating wildfires erupted to torch tens of thousands of ...

Mike Rogers speaks with a Dr. Scott Epstein, an Air Quality Assessment Manager with the South Coast Air Quality Management ...

The Air Quality Index, or AQI, is the primary system used to warn the public when air pollution is dangerous. It’s based on ...

An Air Quality Index (AQI) of 356 (very poor) was recorded at 9am compared to 275 (poor) at 4pm on Tuesday even as the ...

Houseplants, green spaces, and biophilic design have been trending for some time now, so it's no surprise that air-purifying ...

Health and climate experts say wildfire smoke is setting California back in its efforts to reduce air pollution.

What we’re really worried about is the PM2.5 levels,” or the fine particles in wildfire smoke, which have a diameter of less ...

A dense fog advisory was issued by the National Weather Service on Wednesday at 12:17 a.m. in effect until 10 a.m. for ...